1.   Approximate 5(31.8) to the nearest hundredth.
    A. 27.42 B. 32.90
    C. 29.16 D. 36.12
    Hint

  2.   What is the y-intercept of the graph of y = 4x - 2?
    A. 0 B.
    C. -1 D. -2
    Hint

  3.   Use a graph in order to approximate .
    A. 112.6 B. 0.0045
    C. 133.4 D. 0.0089
    Hint

  4.   A guest on a talk show tends to receive many phone calls right after she is on the show, and then the calls become less frequent. This can be represented by the equation y = 30(0.92)d, where y is the number of phone calls after d days. How many phone calls should she expect after a week?
    A. 23 B. 2
    C. 28 D. 17
    Hint

  5.   A guest on a talk show tends to receive many phone calls right after she is on the show, and then the calls become less frequent. This can be represented by the equation y = 20(0.53)d, where y is the number of phone calls after d days. On what day should she expect to have 3 calls?
    A. 3 B. 10
    C. 15 D. 2
    Hint



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